Home / 109,363,658.40-164,045,487.60-107,663,047.20

Finding the Fourth Proportional to 109,363,658.40, 164,045,487.60 and 107,663,047.20

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Solution

The fourth proportional to 109,363,658.40, 164,045,487.60 and 107,663,047.20 is: 161,494,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363,658.40 : 164,045,487.60 = 107,663,047.20 : x
  2. Step 2: Convert to fraction form
    109,363,658.40/164,045,487.60 = 107,663,047.20/x
  3. Step 3: Cross multiply
    109,363,658.40x = 164,045,487.60 × 107,663,047.20
  4. Step 4: Simplify right side
    109,363,658.40x = 17,661,637,074,425,814
  5. Step 5: Solve for x
    x = 17,661,637,074,425,814/109,363,658.40
  6. Step 6: Final answer
    x = 161,494,570.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.